[Samba] high cpu load with 3.0.20b (not using ldap)
Gerald (Jerry) Carter
jerry at samba.org
Thu Oct 20 14:49:40 GMT 2005
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Sebastian Held wrote:
> I've a problem, with a cpu load (>66% while running a separate
> virusscanner with another 30%) of one of my smbd processes.
> It only happens occasionally (approx. 2 times in the last 4 weeks).
> The backtrace is attached. It seems to me, that smbd is
> looking for colorlaser5quota. This printer isn't attached anymore to
> the server and neither cups nor samba configuration
> files include a section for this printer. Is this error due
> to a bug in libc.so.6 not returning from __nis_hash() ? Or
> because this machine is a NIS-server?
> (gdb) bt
> #0 0x403172a2 in __nis_hash () from /lib/tls/libc.so.6
> #1 0x403187e6 in __nscd_cache_search () from /lib/tls/libc.so.6
> #2 0x40317374 in nscd_getpw_r () from /lib/tls/libc.so.6
> #3 0x40317662 in __nscd_getpwnam_r () from /lib/tls/libc.so.6
> #4 0x402b92bd in getpwnam_r@@GLIBC_2.1.2 () from /lib/tls/libc.so.6
> #5 0x402b8c81 in getpwnam () from /lib/tls/libc.so.6
> #6 0x081f038c in sys_getpwnam (name=0x798716af "") at system.c:883
> #7 0x081f4658 in getpwnam_alloc (name=0xbfffe500 "COLORLASER5QUOTA") at
Looks like and issue in the nscd client request. The getpwnam() lookup
is happening because a client is trying to connect to
\\server\colorlaser5quota and you have a [homes] section.
Does this help you out?
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